R2S-0505-R Power Supplies - Board Mount

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DC-DC converters are an important class of switching power supplies that are used in a wide range of applications. The R2S-0505-R is a DC-DC converter that is used to convert a high voltage input supply into a low voltage, regulated output. The converter is very efficient, has a wide input voltage range and can operate over a wide temperature range.

Features and Applications

The R2S-0505-R is a 2A, 5W buck DC-DC converter that has a high efficiency, up to 86% and a wide input voltage range from 4–35V DC. It also has an operating temperature range between -40 to +85°C. This makes the converter ideal for a wide range of applications, such as in industrial automation, automotive, telecommunications, instrumentation and medical equipment.

The converter also has a wide range of features that support its wide variety of applications. For example, it has over-current protection, short-circuit protection, output over-voltage protection, over-temperature protection and output and input voltage reverse polarity protection. It also has programmable output voltage from 0.8 - 5V and an operating frequency up to 300kHz.

Working Principle

The R2S-0505-R is a buck converter. A buck converter is an electronic device that is used to convert a higher input voltage to a lower, regulated output voltage. It works by taking the higher input voltage and switching it on and off at a fixed frequency. This produces a pulse-width-modulated (PWM) output voltage. The output voltage can be adjusted by changing the duty cycle of the PWM signal. The voltage is then smoothed out and filtered by an output LC filter.

The converter works by controlling the on and off switching of the transistor to maintain the output voltage at its setpoint. The main components of the converter are the input capacitor, output capacitor, inductor, switch, feedback control circuitry and output filter. The feedback control circuitry monitors the output voltage and compares it to the setpoint. If the output voltage rises above the setpoint, the switch is shut off, reducing the output voltage; if the output voltage falls below the setpoint, the switch is turned on, increasing the output voltage.

Conclusion

The R2S-0505-R is a high efficiency DC-DC converter that is used to convert a high voltage input supply into a low voltage, regulated output. The converter is suitable for a wide range of applications and has a range of features that support its various applications. It works by controlling the on and off switching of the transistor to maintain the output voltage at its setpoint. In addition, it has over-current, short-circuit, over-voltage and over-temperature protection. The converter can operate over a wide temperature range and has high efficiency up to 86%.

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